TMS320F28P650DK: How to verify ramp generated in cmpss

Vivek T S

Prodigy 40 points

Part Number: TMS320F28P650DK

Hi,

we are configuring the cmpss module with its ramp generation unit for peak current mode control.

how do I verify that the ramp generated is as per my slope settings?

thank you.

over 2 years ago

0 Hadi Moradisizkoohi over 2 years ago

TI__Expert 7100 points

Hi Vivek,

There is no option to bring the output of the ramp generator to the pin. You can bring out the CMPSS output onto the Outputxbar->GPIO to see if the CMPSS output tripping.

There are some e2e threads explaining how to configure the ramp generator for your application:

https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/1137900/tms320f28379d-ramp-compensation-for-peak-current-mode-control/4224455#4224455

Regards,

Hadi

C2000™︎ microcontrollers

C2000 microcontrollers forum

TMS320F28P650DK: How to verify ramp generated in cmpss